package quick.pager.shop.mybatis;

import java.sql.CallableStatement;
import java.sql.Date;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.time.LocalDate;
import org.apache.ibatis.type.BaseTypeHandler;
import org.apache.ibatis.type.JdbcType;
import org.apache.ibatis.type.MappedJdbcTypes;
import org.apache.ibatis.type.MappedTypes;

/**
 * 自定义LocalDate类型转换器
 *
 * @author siguiyang
 */
@MappedJdbcTypes(JdbcType.DATE)
@MappedTypes(LocalDate.class)
public class ShopLocalDateTypeHandler extends BaseTypeHandler<LocalDate> {

    @Override
    public void setNonNullParameter(PreparedStatement ps, int i, LocalDate parameter, JdbcType jdbcType)
            throws SQLException {
        ps.setDate(i, Date.valueOf(parameter));
    }

    @Override
    public LocalDate getNullableResult(ResultSet rs, String columnName) throws SQLException {
        Date date = rs.getDate(columnName);
        return getLocalDate(date);
    }

    @Override
    public LocalDate getNullableResult(ResultSet rs, int columnIndex) throws SQLException {
        Date date = rs.getDate(columnIndex);
        return getLocalDate(date);
    }

    @Override
    public LocalDate getNullableResult(CallableStatement cs, int columnIndex) throws SQLException {
        Date date = cs.getDate(columnIndex);
        return getLocalDate(date);
    }

    private static LocalDate getLocalDate(Date date) {
        if (date != null) {
            return date.toLocalDate();
        }
        return null;
    }
}
